Overview
Moreover, the UR-8HH integrates seamlessly into UR relays such as F60, D60, and C60, supporting a wide range of industrial power systems. Its modular design simplifies installation and replacement while maintaining full compatibility with other GE protection components.
Specification
| Parameter | Description |
|---|---|
| Model | UR-8HH / UR8HH / CT/VT8H |
| Manufacturer | GE Fanuc Multilin |
| Module Type | CT/VT Input Module |
| Function | Current and voltage measurement for UR relays |
| Inputs Supported | 4 CT channels, 4 VT channels |
| Sampling Rate | High-speed, synchronized to relay processing cycle |
| Accuracy | Class 0.2% for CT, Class 0.3% for VT (typical) |
| Isolation | Optical and galvanic isolation between inputs and processor |
| Operating Temperature | -40°C to +85°C |
| Power Supply | Derived from main relay chassis |
| Compatibility | UR-series relays (F60, C60, D60, G60, T60, etc.) |
| Mounting | Plug-in module with locking latch |
| Certifications | UL, CE, CSA, and IEC compliance |
FAQ
A1: It converts analog current and voltage inputs into digital signals for protection and metering within GE Multilin UR relays.
Q2: Which UR relays are compatible with the UR-8HH?
A2: It works with UR-series relays such as F60, D60, C60, G60, and T60.
Q3: Does the UR-8HH require a separate power supply?
A3: No, it draws operating power directly from the relay chassis.
Q4: How can I ensure long-term reliability?
A4: Maintain clean connections, verify calibration periodically, and use GE-certified firmware for compatibility.
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